To use Spring Form Error Tag, you have to follow following steps.
Your JSP Page should look like this:
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<%@taglib prefix="sf" uri="http://www.springframework.org/tags/form" %>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>About Us Page</title>
</head>
<body>
<sf:form method="POST" action ="/SpringBasics/redirect.aspx" modelAttribute="basicClass">
FirstName: <sf:input path="firstName" />
<sf:errors path="firstName" />
<br/>
<input type="submit" value="Redirect Page" />
</sf:form>
</body>
</html>
Your JSP Page should look like this:
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<%@taglib prefix="sf" uri="http://www.springframework.org/tags/form" %>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>About Us Page</title>
</head>
<body>
<sf:form method="POST" action ="/SpringBasics/redirect.aspx" modelAttribute="basicClass">
FirstName: <sf:input path="firstName" />
<sf:errors path="firstName" />
<br/>
<input type="submit" value="Redirect Page" />
</sf:form>
</body>
</html>
